3403: A rise in general level of prices may be caused by
1. an increase in the money supply
2. a decrease in the aggregate level of output
3. an increase in the effective demand
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
3404: The correct sequence of the eastward flowing rivers of the peninsular India from north to south is
(a) Subranarekha, Mahanadi, Godavari, Krishana, Pennar, Cauvery and Vagai
(b) Subranarekha, Mahanadi, Godavari, Cauvery, Vagai Pennar
(c) Mahanadi, Subarnarekha, Godavari, Krishna, Cauvery, Pennar and vagai
(d) Mahanadi, Subarnarekha, Krishna, Godavari, Cauvery, Vagai and Pennar
3405: Microbial fuel cells are considered a source of sustainable energy, Why ?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water treatment plants to cleanse water and produce electricity.
Which of the Statements given above is/are correct?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3